c++ reverse vector
#include <bits/stdc++.h> // Vector
#include <algorithm> // Reverse
using namespace std;
int main()
{
vector<int> nums{4,1,2,1,2};
reverse(nums.begin(), nums.end());
return 0;
}c++ reverse vector
#include <bits/stdc++.h> // Vector
#include <algorithm> // Reverse
using namespace std;
int main()
{
vector<int> nums{4,1,2,1,2};
reverse(nums.begin(), nums.end());
return 0;
}reverse an array in c++
#include <iostream>
using namespace std;
int main()
{ // While loop
const int SIZE = 9;
int arr [SIZE];
cout << "Enter numbers: \n";
for (int i = 0; i < SIZE; i++)
cin >> arr[i];
for (int i = 0; i < SIZE; i++)
cout << arr[i] << "\t";
cout << endl;
cout << "Reversed Array:\n";
int temp, start = 0, end = SIZE-1;
while (start < end)
{
temp = arr[start];
arr[start] = arr[end];
arr[end] = temp;
start++;
end--;
}
for (int i = 0; i < SIZE; i++)
cout << arr[i] << "\t";
cout << endl;
return 0;
}reverse() in c++
#include <iostream>
#include <algorithm>
#include <vector>
#include <iterator>
using namespace std;
int main()
{
vector<int>a = {11,22,33,44,99,55};
reverse(a.begin(), a.end());
auto it = a.begin();
for(it= a.begin(); it!=a.end(); it++){
cout << *it << ' ';
}
}reverse an array in c++
#include <iostream>
using namespace std;
int main()
{
const int SIZE = 9;
int arr [SIZE];
cout << "Enter numbers: \n";
for (int i = 0; i < SIZE; i++)
cin >> arr[i];
for (int i = 0; i < SIZE; i++)
cout << arr[i] << "\t";
cout << endl;
cout << "Reversed Array:\n";
int end = SIZE - 1, temp;
for (int i = 0; i < end; i++)
{
temp = arr[i];
arr[i] = arr[end];
arr[end] = temp;
end--;
}
/* Reverse using while loop
int temp, start = 0, end = SIZE-1;
while (start < end)
{
temp = arr[start];
arr[start] = arr[end];
arr[end] = temp;
start++;
end--;
}*/
for (int i = 0; i < SIZE; i++)
cout << arr[i] << "\t";
cout << endl;
}c++ reverse part of vector
//Reverse vector partially (from index x to index y)
reverse(v.begin()+x, v.begin()+y+1);reverse a vector
vector<int> a = {1,2,3,4,5,6};
reverse(a.begin(), a.end());Copyright © 2021 Codeinu
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